Home / 98,154.52-135,418.73-64,182.89

Finding the Fourth Proportional to 98,154.52, 135,418.73 and 64,182.89

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Solution

The fourth proportional to 98,154.52, 135,418.73 and 64,182.89 is: 88,549.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,154.52 : 135,418.73 = 64,182.89 : x
  2. Step 2: Convert to fraction form
    98,154.52/135,418.73 = 64,182.89/x
  3. Step 3: Cross multiply
    98,154.52x = 135,418.73 × 64,182.89
  4. Step 4: Simplify right side
    98,154.52x = 8,691,565,451.53
  5. Step 5: Solve for x
    x = 8,691,565,451.53/98,154.52
  6. Step 6: Final answer
    x = 88,549.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.